Include computer vision model version in identification metadata

[vladimir_fuka]

@spiphany

As far as I know, apart from adding a symbol next to the ID, the CV suggestions for a particular observation are not recorded and not used in training the model. It also does not indicate which suggestion was used – whether the user chose the first one or something lower down on the list

I think this is crucial. You will find the symbols in most of my observations at my initial ID, but it is far from meaning that it was one of the first suggestions. I would mostly use it as a quick way to select the taxon if it happens to be among the suggestions.